All-Purpose Grilled Tomato Soup

Heat grill. Put tomatoes, 1 ⁄2 the garlic, the shallot, thyme, rosemary and 2 Tbsp of the oil in a large bowl; toss. Place tomatoes on grill. (Don't wash bowl; you'll use later.) Grill tomatoes, covered, 10 minutes, turning occasionally, until skins blacken and tomatoes are soft. Return to bowl. Scrape tomato mixture into a food mill or blend in a food processor until smooth. Set aside. Heat remaining 2 tsp oil in a large saucepan. Add onion and sauté 5 minutes or until translucent. Add remaining garlic and cook a few seconds or until fragrant. Add grilled tomato purée and chicken broth; bring to a boil. Reduce heat and simmer 5 minutes for flavors to blend.